package com.cwj;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * @author chenwujie
 * @date 2020/11/0413:07
 */
public class ArrayTest {
    public static void main(String[] args) {
        int[] arr = new int[]{1,2,3};
        int[] arr2 = new int[10];
        int[] ints = Arrays.copyOf(arr, 0);
        System.out.println(ints.length);
        List<Integer> list = new ArrayList<>();

        int[][][] arr3 = new int[1][0][1];

    }
}
